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Rad Positioning > Chapter 1 (pages 16-37) > Flashcards

Chapter 1 (pages 16-37) Flashcards

1
Q

What are the 5 functions of a radiographic exam?

A
  1. Positioning the body part and CR alignment
  2. Select radiation protection
  3. Set exposure factors
  4. Instruction to the patients
  5. Processing the IR
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2
Q

What is the anatomic position?

A

Upright position, arms adducted, palms forward, head and feet straight ahead

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3
Q

Define Sagittal Plane

A

Longitudinal plane that divides the body into equal right and left parts

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4
Q

Define Coronal Plane

A

Longitudinal plane that divides the body into anterior and posterior parts

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5
Q

Horizontal Plane

A

Transverse plane that divdes the body into superior and inferior parts

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6
Q

Oblique Plane

A

Longitudinal or transverse plane that is at an angle or slant

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7
Q

Define Plantar

A

Refers to the posterior (sole) of the foot

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8
Q

Define Palmer

A

Refers to the anterior (palm) of the hand

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9
Q

Define AP or PA Oblique Projections

A

An angled projection described by the path of the CR

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10
Q

Define Tangential Projection

A

Touching the surface at only 1 point
Ex - patella

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11
Q

Define Axial

A

To go along the long axis of a part

Can be inferosuperior or superoinferior

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12
Q

What is AP Lordotic Projection?

A

Patient is in lordotic position (swayback). An AP Lordotic projection of the chest shows the lungs

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13
Q

Define Transthoracic Projection

A

Shows a shoulder through the thorax. Can be in either a right or left lateral position

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14
Q

Define Dorsoplantar and Plantodorsal Projections

A

Dorsoplantar - CR goes from the dorso (anterior) to the foot to the plantar (posterior) of the foot

Plantodorsal is the opposite

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15
Q

Define Submentovertex (SMV) and Verticosubmental (VSM)

A

These projects are for the skull and mandible. CR enters belows the chin or mentum and exits through the top of the skull or vertex

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16
Q

Define Parietocanthial and Acanthioparietal

A

These are projections for facials bones.

Parietocanthial (PA Waters)
Acanthioparietal (AP Reverse Waters)

CR enters at the parietal bone in the skill and exits at the acanthion, which is the junction of the nose and upper lip

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17
Q

Define Interior

A

Nearer to the center

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18
Q

Define Exterior

A

Near the outside

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19
Q

Define Flexion

A

Refers to a joint; angle of the joint is decreased

20
Q

Define Extension

A

Refers to a joint; angle of the joint is increased

21
Q

Define Eversion

A

Outward stress movement of the foot and ankle joint

22
Q

Inversion

A

Inward stress movement of the foot and ankle joint

23
Q

Define Abduction

A

Movement of a body part away from the body

24
Q

Define Adduction

A

Movement of a body part towards the body

25
Q

Define Pronation

A

Movement of the hand to the prone position

26
Q

Define Protraction

A

Movement forward from a normal position

27
Q

Define Retraction

A

Movement backward

28
Q

Define Cephaic

A

Towards the head

29
Q

Define Caudal

A

Towards the feet

30
Q

Define Recumbent

A

Lying down in any position
-dorsal recumbent: lying on the back
-ventral recumbent: lying on the front
-lateral recumbent: lying on either side

31
Q

Define Supine

A

Lying on the back, facing upward

32
Q

Define Prone

A

Lying on the stomach, facing downward

33
Q

Define Trendelendburg

A

Position where the head is lower than the feet

34
Q

Define Fowlers

A

Feet are lower than the head

35
Q

Define Sim’s and when is it used

A

Recumbent oblique position where the patient is lying on the left side and the left leg is extended and the right knee and thigh is partially flexed. This position is often used for barium enema

36
Q

Define Lithotomy

A

Recumbent position with legs spread, knees up and flexed

37
Q

5 things to evaluate on film

A
  1. Structures - are the there and visable
  2. Position - are the structures in the correct position
  3. Collimation and shielding used
  4. Exposure criteria good
  5. Markers
38
Q

How many projections should be taken?

A

Longbones - minimum of 2; 90 degrees from each other. Exceptions are pelvis and AP chest

Joints - 3 projections

39
Q

LPO will show the same view as:
LAO will show the same view as:

A

LPO - RAO
LAO - RPO

40
Q

What is the occlusal plane?

A

Formed by the biting surfaces of the upper and lower teeth with jaws closed

41
Q

What is the base plane of the skull?

A

AKA - Frankfort Horizontal Plane

Transverse plane from the infraorbital margins to the superior margin of the external auditory meatus

42
Q

Define Ipsilateral

A

On the same side of the body

43
Q

Define Contralateral

A

On the opposide side of the body

44
Q

Define Valgus

A

Outward stress of the foot (same as eversion)

45
Q

Define Varus

A

Inward stress of the foot (same as inversion)

46
Q

Define Elevation

A

Lifting, raising, or moving a part superiorly

47
Q

Define Depression

A

Letting down, lowering, moving a part inferiorly

Rad Positioning (39 decks)

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